Charging time: 4 hours, Motor: 540 brushed motor, Wheelbase: 286mm, Top speed: 30km/h, Battery of car: 7.4V 2200mAh battery (Included).
Price history, coupons and price alert are available on this page. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($162.13): AFfbG10
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 502C6B, TTxBG10, BGWL10
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for WLtoys 10428A RC Track. The lowest price was: $143.79.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).